Basic information
- CAS
82-47-3- Standard SMILES
Nc1c(S(=O)(=O)O)cc(S(=O)(=O)O)c2cccc(O)c12- InChIKey
ZFRBZRZEKIOGQI-UHFFFAOYSA-N- Molecular formula
- C10H9NO7S2
- Average molar mass
- 319.3 g/mol
- Monoisotopic mass
- 318.98204397
Overview
structure
Names & identifiers
- Preferred name
- 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid
- IUPAC
- 4-amino-5-hydroxynaphthalene-1,3-disulfonic acid
- English name
- 4-amino-5-hydroxynaphthalene-1,3-disulphonic acid
- Molecular formula
- C10H9NO7S2
- Molecular weight
- 319.31
Names & synonyms
82-47-3Chicago acid1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid1-amino-8-naphthol-2,4-disulfonic acidNSC-7111MDC29TF2QM8-Amino-1-naphthol-5,7-disulfonic acidDTXSID8058875RefChem:125168DTXCID6048252201-425-6
Show more names
8-Amino-5,7-disulfo-1-naphthol8,1,5,7-Aminonaphtholdisulfonic acid8-AMINO-1-NAPHTHYL-5,7-DISULPHONIC ACID8-Amino-1-hydroxy-5,7-disulfonaphthalene4-amino-5-hydroxynaphthalene-1,3-disulfonicaci1-AMino-8-naphthol-2,4-disulfonic acid(SS Acid)4-Amino-5-Hydorxy-1,3-Naphthalenedisulfonic Acid
4-amino-5-hydroxynaphthalene-1,3-disulfonic acidSS AcidChicagosaure4-Amino-5-hydroxynaphthalene-1,3-disulphonic acid1,3-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-4-amino-5-hydroxy-naphthalene-1,3-disulfonic acidNSC 7111EINECS 201-425-6
Database identifiers
Properties
Computed structural properties
- XLogP
- 0.2
- Topological polar surface area
- 172 Ų
- Hydrogen bond donors
- 4
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 2
- Heavy atoms
- 20
- Formal charge
- 0
- Complexity
- 561
Physicochemical properties
- EPA Substance Registry System
- 1 · 1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy- (82-47-3)
- Symbol(GHS)
- 5 · GHS05
- Signal word
- Danger
- Hazard statements
- 314 · H314
- Precautionary statements
- 260 · P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
- TSCA
- TSCA listed
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 2.5% (1 of 40) of reports.
Danger
H314 (97.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 40 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard information
Hazard Classes and CategoriesSkin Corr. 1B (97.5%)
Safety data
- tsca
- TSCA listed
- Signal word
- Danger
- Symbol(GHS)
- GHS05
- Hazard statements
- H314
- Precautionary statements
- P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
Chemistry & industry
Uses & manufacturing
General Manufacturing Information1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-: ACTIVE
Applications
UsesChicago acid is used as a coupling component for C.I. Direct Blue 1, C.I. Direct Blue 22, and C.I. Direct Blue 76 (the dicopper complex of demethylated).
Upstream & downstream products
Upstream raw materials
Downstream products
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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